server_http11 on
collapsed_forwarding on
vary_ignore_expire on
header_access From deny all
header_access Server deny all
header_access Link deny all
header_access Via deny all
header_access X-Forwarded-For deny all

forward_timeout 240 second
connect_timeout 30 second
peer_connect_timeout 5 second
read_timeout 600 second
request_timeout 60 second
persistent_request_timeout 60 second
client_lifetime 86400 second
half_closed_clients off
pconn_timeout 60 second
shutdown_lifetime 10 second